Home / 1,372.27-2,059.26-506.50

Finding the Fourth Proportional to 1,372.27, 2,059.26 and 506.50

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Solution

The fourth proportional to 1,372.27, 2,059.26 and 506.50 is: 760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.27 : 2,059.26 = 506.50 : x
  2. Step 2: Convert to fraction form
    1,372.27/2,059.26 = 506.50/x
  3. Step 3: Cross multiply
    1,372.27x = 2,059.26 × 506.50
  4. Step 4: Simplify right side
    1,372.27x = 1,043,015.19
  5. Step 5: Solve for x
    x = 1,043,015.19/1,372.27
  6. Step 6: Final answer
    x = 760.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.